globular protein size exclusion chromatography sec standards Search Results


fast protein liquid chromatography-purified ntps  (Pharmacia LKB Biotechnology Inc)
90
Pharmacia LKB Biotechnology Inc fast protein liquid chromatography-purified ntps
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Fast Protein Liquid Chromatography Purified Ntps, supplied by Pharmacia LKB Biotechnology Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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dual-piston pump preparative high-pressure liquid chromatography system prephplc  (Gilson Inc)
90
Gilson Inc dual-piston pump preparative high-pressure liquid chromatography system prephplc
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Dual Piston Pump Preparative High Pressure Liquid Chromatography System Prephplc, supplied by Gilson Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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tris  (Gold Biotechnology Inc)
96
Gold Biotechnology Inc tris
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Tris, supplied by Gold Biotechnology Inc, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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tris - by Bioz Stars, 2026-08
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copy number variation aldh1b1 hs00494449 cn  (Thermo Fisher)
94
Thermo Fisher copy number variation aldh1b1 hs00494449 cn
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Copy Number Variation Aldh1b1 Hs00494449 Cn, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 94/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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mabselect affinity chromatography  (GE Healthcare)
91
GE Healthcare mabselect affinity chromatography
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Mabselect Affinity Chromatography, supplied by GE Healthcare, used in various techniques. Bioz Stars score: 91/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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perfectpro ni-nta agarose chromatography  (5 PRIME)
90
5 PRIME perfectpro ni-nta agarose chromatography
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Perfectpro Ni Nta Agarose Chromatography, supplied by 5 PRIME, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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nucleospin rna kit  (MACHEREY NAGEL)
96
MACHEREY NAGEL nucleospin rna kit
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Nucleospin Rna Kit, supplied by MACHEREY NAGEL, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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micro bio spin chromatography columns bio gel p 6  (Bio-Rad)
96
Bio-Rad micro bio spin chromatography columns bio gel p 6
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Micro Bio Spin Chromatography Columns Bio Gel P 6, supplied by Bio-Rad, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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protein g sepharose  (Bio-Rad)
96
Bio-Rad protein g sepharose
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Protein G Sepharose, supplied by Bio-Rad, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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protein g hp spin trap  (Cytiva Europe)
94
Cytiva Europe protein g hp spin trap
A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four <t>NTPs.</t> Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.
Protein G Hp Spin Trap, supplied by Cytiva Europe, used in various techniques. Bioz Stars score: 94/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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assays nebnext poly a mrna magnetic isolation module new england biolabs  (New England Biolabs)
99
New England Biolabs assays nebnext poly a mrna magnetic isolation module new england biolabs
Figure 1. PRRC2B deficiency in oligodendroglia cells leads to developmental hypomyelination (A) Immunostaining of PRRC2B/PDGFRa/OLIG2 in the corpus callosum (CC) of mice with indicated genotypes. Scale bars, 25 mm. (B) Left: western blotting analysis of the protein levels of PRRC2B in the cerebral cortex from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P6. Right: quantification of PRRC2B protein levels. Values are shown as means ± SEMs, *p < 0.05, unpaired two-tailed Student’s t test (n = 3 mice). (C) Quantitative real-time PCR detected the <t>mRNA</t> levels of Prrc2b in the cerebral cortex of P6 mice. Values are means ± SEMs. ***p < 0.001, unpaired two-tailed Student’s t test (each group, n = 9 replicates from >3 mice). (D) Pictures of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice and brains at P15. Scale bars, 5 mm (top), 2 cm (bottom).
Assays Nebnext Poly A Mrna Magnetic Isolation Module New England Biolabs, supplied by New England Biolabs, used in various techniques. Bioz Stars score: 99/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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bca protein concentration assay kit  (Thermo Fisher)
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Thermo Fisher bca protein concentration assay kit

Bca Protein Concentration Assay Kit, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 99/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Image Search Results


A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four NTPs. Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.

Journal: The Journal of Biological Chemistry

Article Title: Nascent RNA Cleavage by Arrested RNA Polymerase II Does Not Require Upstream Translocation of the Elongation Complex on DNA *

doi:

Figure Lengend Snippet: A, time course of SII-dependent elongation from site Ia in the presence of all four nucleotides. Washed complexes (lane Ia) were split into 2 aliquots. One received bovine brain SII and 7 mM MgCl2 and was incubated at 28 °C for 1.5 or 15 min to generate the first (*) and second (**) cleavage intermediates, respectively. The second aliquot of washed complexes received bovine brain SII, MgCl2, and 800 μM each of all four NTPs. Portions of this reaction were stopped after the indicated times at 28 °C and analyzed by electrophoresis with the first and second cleavage intermediates. RO, runoff RNA. B, RNA elongation by an SII-independent elongation complex in the presence of SII. RNA in washed complexes was extended for 10 min at 28 °C to positions G218/G220 (indicated by dash at left, lane 0) in the presence of UTP, CTP, and GTP (800 μM each), bovine brain SII, and 7 mM MgCl2. The reaction was chilled to 4 °C, ATP (800 μM) was added, and samples were stopped at the indicated times after incubation at 28 °C. One sample (sar) was adjusted to 0.25% in Sarkosyl and another (α) to 1 μg/ml in α-amanitin before the addition of ATP and incubation at 28 °C. Arrowheads indicate the position of marker RNAs of 260, 380, 420, and 540 nucleotides (bottom to top). C, RNA elongation by a second SII-independent elongation complex in the presence of SII. Elongation complexes were assembled at site Ia (Ia) and moved to positions G218/G220 (dash to left of figure) as described in the legend to B. These complexes were washed free of nucleotides by centrifugation and resuspension and moved to position C230 (U) after an 8-min incubation at 28 °C in the presence of bovine brain SII, 7 mM MgCl2, and 800 μM each of ATP, GTP, and CTP. The reaction was incubated at 28 °C with UTP (800 μM) for the indicated times. One sample (sar) was made 0.25% in Sarkosyl before the addition of UTP and incubation at 28 °C.

Article Snippet: Fast protein liquid chromatography-purified NTPs, 4 ddNTPs, and 3′- O -methyl GTP were purchased from Pharmacia LKB Biotechnology Inc., 3′-dUTP was purchased from Boehringer Mannheim.

Techniques: Incubation, Electrophoresis, Marker, Centrifugation

Figure 1. PRRC2B deficiency in oligodendroglia cells leads to developmental hypomyelination (A) Immunostaining of PRRC2B/PDGFRa/OLIG2 in the corpus callosum (CC) of mice with indicated genotypes. Scale bars, 25 mm. (B) Left: western blotting analysis of the protein levels of PRRC2B in the cerebral cortex from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P6. Right: quantification of PRRC2B protein levels. Values are shown as means ± SEMs, *p < 0.05, unpaired two-tailed Student’s t test (n = 3 mice). (C) Quantitative real-time PCR detected the mRNA levels of Prrc2b in the cerebral cortex of P6 mice. Values are means ± SEMs. ***p < 0.001, unpaired two-tailed Student’s t test (each group, n = 9 replicates from >3 mice). (D) Pictures of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice and brains at P15. Scale bars, 5 mm (top), 2 cm (bottom).

Journal: Cell reports

Article Title: PRRC2B modulates oligodendrocyte progenitor cell development and myelination by stabilizing Sox2 mRNA.

doi: 10.1016/j.celrep.2024.113930

Figure Lengend Snippet: Figure 1. PRRC2B deficiency in oligodendroglia cells leads to developmental hypomyelination (A) Immunostaining of PRRC2B/PDGFRa/OLIG2 in the corpus callosum (CC) of mice with indicated genotypes. Scale bars, 25 mm. (B) Left: western blotting analysis of the protein levels of PRRC2B in the cerebral cortex from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P6. Right: quantification of PRRC2B protein levels. Values are shown as means ± SEMs, *p < 0.05, unpaired two-tailed Student’s t test (n = 3 mice). (C) Quantitative real-time PCR detected the mRNA levels of Prrc2b in the cerebral cortex of P6 mice. Values are means ± SEMs. ***p < 0.001, unpaired two-tailed Student’s t test (each group, n = 9 replicates from >3 mice). (D) Pictures of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice and brains at P15. Scale bars, 5 mm (top), 2 cm (bottom).

Article Snippet: REAGENT or RESOURCE SOURCE IDENTIFIER 2X SanTaq PCR Master Mix Sangon Biotech Cat# B532061 Trypsin Inhibitor, Soybean Sangon Biotech Cat# A003587 Papain, Suspension Sangon Biotech Cat# A003124 Hoechst33342 Sangon Biotech Cat# E607328 2x RealStar Green Fast Mixture with ROX II Genstar Cat# A304-10 Recombinant RNasin Ribonuclease Inhibitor Promega Cat# N2518 Proteinase K, recombinant PCR Grade Roche Cat# 03115828001 HA-tag Magnetic Beads Thermo Scientific Cat# 88836 Streptavidin Beads Life Technologies Cat# 11206D L-cysteine Hydrochloride, Monohydrate Amresco Cat# 0206-500G Puromycin InvivoGen Cat# ant-pr-1 Poly-D-lysine Hydrobromide Sigma Cat# P6407 Critical commercial assays NEBNext Poly(A) mRNA Magnetic Isolation Module New England Biolabs Cat# E7490 NEBNext Magnesium RNA Fragmentation Module New England Biolabs Cat# E6150S DynabeadsTM Antibody Coupling Kit Thermo Scientific Cat# 14311D Black-Gold II Myelin Staining Kit Millipore Cat# AG105 TransScript Uni All-in-One First-Strand Cdna Synthesis SuperMix for qPCR (One-Step gDNA Removal) TransGen Biotech Cat# AU341 BCA Protein Assay Kit Beyotime Biotechnology Cat# P0009 Western LightningTM Plus Chemiluminescence Reagent PerkinElmer Cat# NEL104001EA Deposited data Raw and analyzed data (MeRIP-seq) This paper GEO: GSE243310 Raw and analyzed data (RIP-seq) This paper GEO: GSE243309 Raw and analyzed data (RNA-seq) This paper GEO: GSE222394 (NSC) and GSE222395 (OPC) Experimental models: Cell lines Oli-neu Dr. Wei Mo Gift from Dr. Wei Mo O4 Dr. Wei Mo Gift from Dr. Wei Mo GalC Dr. Wei Mo Gift from Dr. Wei Mo Experimental models: Organisms/strains Mouse: Prrc2bf/f This paper Gift from Dr. Fengchao Wang Mouse: Olig2-Cre The Jackson Laboratory Gift from Dr. Bo Xiao, Stock: 011103 Mouse: Nestin-Cre The Jackson Laboratory Stock: 003771 Mouse: Prrc2b-HA This paper Center for Excellence in Molecular Cell Science of the Chinese Academy of Sciences Mouse: Prrc2af/f This paper Gift from Dr. Fengchao Wang Mouse: C57BL/6J This paper SPF(Beijing) Biotechnology Co., Ltd. Oligonucleotides RT-qPCR Primers Sangon Biotech Table S14 Recombinant DNA pCMV-N-mCherry Beyotime Biotechnology Cat# D2711 pCMV-N-mCherry-Sox2-CDS+30-UTR-wt This paper Nanjingjinsirui Science & Technology Biology Corp (Continued on next page) Cell Reports 43, 113930, March 26, 2024 17

Techniques: Immunostaining, Western Blot, Two Tailed Test, Real-time Polymerase Chain Reaction

Figure 2. PRRC2B promotes OL progenitor cell differentiation (A) Immunofluorescence of PDGFRa/OLIG2 in the CC of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P15 or P40. Scale bars, 30 mm. (B) Quantification of PDGFRa/OLIG2-positive OPCs in the CC of mice, with the indicated geno- types at P15 or P40. Images of brain slices from >3 mice were gained and analyzed. Values are shown as means ± SEMs, **p < 0.01, NS, not statistically significant, unpaired two-tailed Student’s t test (P15: f/f, n = 19, f/f; Olig2, n = 13; P40: f/f, n = 14, f/f; Olig2, n = 6). (C) Immunostainings of CC1/OLIG2 in the CC of Prrc2bf/f, and Prrc2bf/f; Olig2Cre+/ mice at P15 or P40. Scale bars, 30 mm. (D) Quantification of CC1/OLIG2-positive OLs in the CC of mice, with the indicated genotypes at P15 or P40. Images of brain slices from >3 mice were gained and analyzed. Values are shown as means ± SEMs, **p < 0.01, ***p < 0.001, unpaired two-tailed Student’s t test (P15: f/f, n = 18, f/f; Olig2, n = 12; P40: f/f, n = 7, f/f; Olig2, n = 6). (E) Left: western blotting analysis of OPC devel- opment-related protein in the CC of mice at P15. Right: quantification of protein levels of OLIG2, MAG, MBP, and ALDH1L1. Values are shown as means ± SEMs, *p < 0.05, NS, not statistically significant, unpaired two-tailed Student’s t test (n = 3 mice). (F) Quantitative real-time PCR detection of the mRNA levels of OPC-related genes in the CC of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P15. Values were shown as means ± SEMs, *p < 0.05, **p < 0.01, ***p < 0.001, unpaired two-tailed Stu- dent’s t test (n R 4 independent biological repli- cates for each genotype).

Journal: Cell reports

Article Title: PRRC2B modulates oligodendrocyte progenitor cell development and myelination by stabilizing Sox2 mRNA.

doi: 10.1016/j.celrep.2024.113930

Figure Lengend Snippet: Figure 2. PRRC2B promotes OL progenitor cell differentiation (A) Immunofluorescence of PDGFRa/OLIG2 in the CC of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P15 or P40. Scale bars, 30 mm. (B) Quantification of PDGFRa/OLIG2-positive OPCs in the CC of mice, with the indicated geno- types at P15 or P40. Images of brain slices from >3 mice were gained and analyzed. Values are shown as means ± SEMs, **p < 0.01, NS, not statistically significant, unpaired two-tailed Student’s t test (P15: f/f, n = 19, f/f; Olig2, n = 13; P40: f/f, n = 14, f/f; Olig2, n = 6). (C) Immunostainings of CC1/OLIG2 in the CC of Prrc2bf/f, and Prrc2bf/f; Olig2Cre+/ mice at P15 or P40. Scale bars, 30 mm. (D) Quantification of CC1/OLIG2-positive OLs in the CC of mice, with the indicated genotypes at P15 or P40. Images of brain slices from >3 mice were gained and analyzed. Values are shown as means ± SEMs, **p < 0.01, ***p < 0.001, unpaired two-tailed Student’s t test (P15: f/f, n = 18, f/f; Olig2, n = 12; P40: f/f, n = 7, f/f; Olig2, n = 6). (E) Left: western blotting analysis of OPC devel- opment-related protein in the CC of mice at P15. Right: quantification of protein levels of OLIG2, MAG, MBP, and ALDH1L1. Values are shown as means ± SEMs, *p < 0.05, NS, not statistically significant, unpaired two-tailed Student’s t test (n = 3 mice). (F) Quantitative real-time PCR detection of the mRNA levels of OPC-related genes in the CC of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P15. Values were shown as means ± SEMs, *p < 0.05, **p < 0.01, ***p < 0.001, unpaired two-tailed Stu- dent’s t test (n R 4 independent biological repli- cates for each genotype).

Article Snippet: REAGENT or RESOURCE SOURCE IDENTIFIER 2X SanTaq PCR Master Mix Sangon Biotech Cat# B532061 Trypsin Inhibitor, Soybean Sangon Biotech Cat# A003587 Papain, Suspension Sangon Biotech Cat# A003124 Hoechst33342 Sangon Biotech Cat# E607328 2x RealStar Green Fast Mixture with ROX II Genstar Cat# A304-10 Recombinant RNasin Ribonuclease Inhibitor Promega Cat# N2518 Proteinase K, recombinant PCR Grade Roche Cat# 03115828001 HA-tag Magnetic Beads Thermo Scientific Cat# 88836 Streptavidin Beads Life Technologies Cat# 11206D L-cysteine Hydrochloride, Monohydrate Amresco Cat# 0206-500G Puromycin InvivoGen Cat# ant-pr-1 Poly-D-lysine Hydrobromide Sigma Cat# P6407 Critical commercial assays NEBNext Poly(A) mRNA Magnetic Isolation Module New England Biolabs Cat# E7490 NEBNext Magnesium RNA Fragmentation Module New England Biolabs Cat# E6150S DynabeadsTM Antibody Coupling Kit Thermo Scientific Cat# 14311D Black-Gold II Myelin Staining Kit Millipore Cat# AG105 TransScript Uni All-in-One First-Strand Cdna Synthesis SuperMix for qPCR (One-Step gDNA Removal) TransGen Biotech Cat# AU341 BCA Protein Assay Kit Beyotime Biotechnology Cat# P0009 Western LightningTM Plus Chemiluminescence Reagent PerkinElmer Cat# NEL104001EA Deposited data Raw and analyzed data (MeRIP-seq) This paper GEO: GSE243310 Raw and analyzed data (RIP-seq) This paper GEO: GSE243309 Raw and analyzed data (RNA-seq) This paper GEO: GSE222394 (NSC) and GSE222395 (OPC) Experimental models: Cell lines Oli-neu Dr. Wei Mo Gift from Dr. Wei Mo O4 Dr. Wei Mo Gift from Dr. Wei Mo GalC Dr. Wei Mo Gift from Dr. Wei Mo Experimental models: Organisms/strains Mouse: Prrc2bf/f This paper Gift from Dr. Fengchao Wang Mouse: Olig2-Cre The Jackson Laboratory Gift from Dr. Bo Xiao, Stock: 011103 Mouse: Nestin-Cre The Jackson Laboratory Stock: 003771 Mouse: Prrc2b-HA This paper Center for Excellence in Molecular Cell Science of the Chinese Academy of Sciences Mouse: Prrc2af/f This paper Gift from Dr. Fengchao Wang Mouse: C57BL/6J This paper SPF(Beijing) Biotechnology Co., Ltd. Oligonucleotides RT-qPCR Primers Sangon Biotech Table S14 Recombinant DNA pCMV-N-mCherry Beyotime Biotechnology Cat# D2711 pCMV-N-mCherry-Sox2-CDS+30-UTR-wt This paper Nanjingjinsirui Science & Technology Biology Corp (Continued on next page) Cell Reports 43, 113930, March 26, 2024 17

Techniques: Cell Differentiation, Two Tailed Test, Western Blot, Real-time Polymerase Chain Reaction

Figure 3. PRRC2B deficiency affects OL progenitor cell differentiation (A) Immunostainings of PRRC2B/PDGFRa/OLIG2 in OPCs isolated from brain tissues of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P4. Scale bars, 50 mm. (B) Western blotting analysis of the protein levels of PRRC2B in OPC-derived cells cultured in prolifera- tion medium for 4 days and quantification of PRRC2B protein levels. Values are shown as means ± SEMs, **p < 0.01, unpaired two-tailed Student’s t test (n = 4 mice). (C) Quantitative real-time PCR analysis of the mRNA levels of Prrc2b in OPCs isolated from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice. Values are means ± SEMs, ***p < 0.001, unpaired two-tailed Student’s t test (n = 6 independent biological replicates for each group). (D) Western blotting analysis the protein levels of OLIG2, ALDH1L1, and MBP in OPC-derived cells cultured in differentiation medium for 4 days. (E) Quantification of OLIG2, MBP, and ALDH1L1 protein levels. Values are shown as means ± SEMs, *p < 0.05, **p < 0.01, unpaired two-tailed Student’s t test (n = 3 mice). (F) Quantitative real-time PCR detection of the mRNA levels of OL-related genes in OPCs-derived cells isolated from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/

Journal: Cell reports

Article Title: PRRC2B modulates oligodendrocyte progenitor cell development and myelination by stabilizing Sox2 mRNA.

doi: 10.1016/j.celrep.2024.113930

Figure Lengend Snippet: Figure 3. PRRC2B deficiency affects OL progenitor cell differentiation (A) Immunostainings of PRRC2B/PDGFRa/OLIG2 in OPCs isolated from brain tissues of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P4. Scale bars, 50 mm. (B) Western blotting analysis of the protein levels of PRRC2B in OPC-derived cells cultured in prolifera- tion medium for 4 days and quantification of PRRC2B protein levels. Values are shown as means ± SEMs, **p < 0.01, unpaired two-tailed Student’s t test (n = 4 mice). (C) Quantitative real-time PCR analysis of the mRNA levels of Prrc2b in OPCs isolated from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice. Values are means ± SEMs, ***p < 0.001, unpaired two-tailed Student’s t test (n = 6 independent biological replicates for each group). (D) Western blotting analysis the protein levels of OLIG2, ALDH1L1, and MBP in OPC-derived cells cultured in differentiation medium for 4 days. (E) Quantification of OLIG2, MBP, and ALDH1L1 protein levels. Values are shown as means ± SEMs, *p < 0.05, **p < 0.01, unpaired two-tailed Student’s t test (n = 3 mice). (F) Quantitative real-time PCR detection of the mRNA levels of OL-related genes in OPCs-derived cells isolated from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/

Article Snippet: REAGENT or RESOURCE SOURCE IDENTIFIER 2X SanTaq PCR Master Mix Sangon Biotech Cat# B532061 Trypsin Inhibitor, Soybean Sangon Biotech Cat# A003587 Papain, Suspension Sangon Biotech Cat# A003124 Hoechst33342 Sangon Biotech Cat# E607328 2x RealStar Green Fast Mixture with ROX II Genstar Cat# A304-10 Recombinant RNasin Ribonuclease Inhibitor Promega Cat# N2518 Proteinase K, recombinant PCR Grade Roche Cat# 03115828001 HA-tag Magnetic Beads Thermo Scientific Cat# 88836 Streptavidin Beads Life Technologies Cat# 11206D L-cysteine Hydrochloride, Monohydrate Amresco Cat# 0206-500G Puromycin InvivoGen Cat# ant-pr-1 Poly-D-lysine Hydrobromide Sigma Cat# P6407 Critical commercial assays NEBNext Poly(A) mRNA Magnetic Isolation Module New England Biolabs Cat# E7490 NEBNext Magnesium RNA Fragmentation Module New England Biolabs Cat# E6150S DynabeadsTM Antibody Coupling Kit Thermo Scientific Cat# 14311D Black-Gold II Myelin Staining Kit Millipore Cat# AG105 TransScript Uni All-in-One First-Strand Cdna Synthesis SuperMix for qPCR (One-Step gDNA Removal) TransGen Biotech Cat# AU341 BCA Protein Assay Kit Beyotime Biotechnology Cat# P0009 Western LightningTM Plus Chemiluminescence Reagent PerkinElmer Cat# NEL104001EA Deposited data Raw and analyzed data (MeRIP-seq) This paper GEO: GSE243310 Raw and analyzed data (RIP-seq) This paper GEO: GSE243309 Raw and analyzed data (RNA-seq) This paper GEO: GSE222394 (NSC) and GSE222395 (OPC) Experimental models: Cell lines Oli-neu Dr. Wei Mo Gift from Dr. Wei Mo O4 Dr. Wei Mo Gift from Dr. Wei Mo GalC Dr. Wei Mo Gift from Dr. Wei Mo Experimental models: Organisms/strains Mouse: Prrc2bf/f This paper Gift from Dr. Fengchao Wang Mouse: Olig2-Cre The Jackson Laboratory Gift from Dr. Bo Xiao, Stock: 011103 Mouse: Nestin-Cre The Jackson Laboratory Stock: 003771 Mouse: Prrc2b-HA This paper Center for Excellence in Molecular Cell Science of the Chinese Academy of Sciences Mouse: Prrc2af/f This paper Gift from Dr. Fengchao Wang Mouse: C57BL/6J This paper SPF(Beijing) Biotechnology Co., Ltd. Oligonucleotides RT-qPCR Primers Sangon Biotech Table S14 Recombinant DNA pCMV-N-mCherry Beyotime Biotechnology Cat# D2711 pCMV-N-mCherry-Sox2-CDS+30-UTR-wt This paper Nanjingjinsirui Science & Technology Biology Corp (Continued on next page) Cell Reports 43, 113930, March 26, 2024 17

Techniques: Cell Differentiation, Isolation, Western Blot, Derivative Assay, Cell Culture, Two Tailed Test, Real-time Polymerase Chain Reaction

Figure 4. PRRC2B is an m6A-specific bind- ing protein in the brain (A) Schematic diagram of RNA pull-down showing that the unmethylated oligo(A) and methylated oligo-m6A RNA were used to capture potential m6A binding proteins in vitro. (B) Western blotting displaying endogenous PRRC2B and YTHDF1 pulled down in the brains of P4 mice. (C) LC-MS/MS quantification of the m6A/A ratio in RNA isolated from OPCs of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice. Values are means ± SEMs. Un- paired two-tailed Student’s t test (n = 4 experi- ments for each group). (D) Left: HA-tag was added to the C terminus of Prrc2b in mice. Right: western blotting of the effi- ciency of HA-tag expression in whole brains of WT and Prrc2b-HA mice at P4. (E) Schematic diagram of the RIP assay for LC-MS/ MS and sequencing. (F) Quantification of the m6A/A ratio in mRNA iso- lated from the cerebral cortex of WT and Prrc2b- HA mice at P4 by RIP. Values are means ± SEMs of 3 independent experiments, *p < 0.05, unpaired two-tailed Student’s t test (n = 3 independent biological replicates). (G) Pie chart presenting the distribution of PRRC2B-binding peaks in the 30 UTR, 50 UTR, CDS, or noncoding regions. (H) Enrichment chart depicting the proportion of PRRC2B-binding peaks in the corresponding 4 regions. (I) Binding motif identified by HOMER with PRRC2B-binding peaks (p = 1e12).

Journal: Cell reports

Article Title: PRRC2B modulates oligodendrocyte progenitor cell development and myelination by stabilizing Sox2 mRNA.

doi: 10.1016/j.celrep.2024.113930

Figure Lengend Snippet: Figure 4. PRRC2B is an m6A-specific bind- ing protein in the brain (A) Schematic diagram of RNA pull-down showing that the unmethylated oligo(A) and methylated oligo-m6A RNA were used to capture potential m6A binding proteins in vitro. (B) Western blotting displaying endogenous PRRC2B and YTHDF1 pulled down in the brains of P4 mice. (C) LC-MS/MS quantification of the m6A/A ratio in RNA isolated from OPCs of Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice. Values are means ± SEMs. Un- paired two-tailed Student’s t test (n = 4 experi- ments for each group). (D) Left: HA-tag was added to the C terminus of Prrc2b in mice. Right: western blotting of the effi- ciency of HA-tag expression in whole brains of WT and Prrc2b-HA mice at P4. (E) Schematic diagram of the RIP assay for LC-MS/ MS and sequencing. (F) Quantification of the m6A/A ratio in mRNA iso- lated from the cerebral cortex of WT and Prrc2b- HA mice at P4 by RIP. Values are means ± SEMs of 3 independent experiments, *p < 0.05, unpaired two-tailed Student’s t test (n = 3 independent biological replicates). (G) Pie chart presenting the distribution of PRRC2B-binding peaks in the 30 UTR, 50 UTR, CDS, or noncoding regions. (H) Enrichment chart depicting the proportion of PRRC2B-binding peaks in the corresponding 4 regions. (I) Binding motif identified by HOMER with PRRC2B-binding peaks (p = 1e12).

Article Snippet: REAGENT or RESOURCE SOURCE IDENTIFIER 2X SanTaq PCR Master Mix Sangon Biotech Cat# B532061 Trypsin Inhibitor, Soybean Sangon Biotech Cat# A003587 Papain, Suspension Sangon Biotech Cat# A003124 Hoechst33342 Sangon Biotech Cat# E607328 2x RealStar Green Fast Mixture with ROX II Genstar Cat# A304-10 Recombinant RNasin Ribonuclease Inhibitor Promega Cat# N2518 Proteinase K, recombinant PCR Grade Roche Cat# 03115828001 HA-tag Magnetic Beads Thermo Scientific Cat# 88836 Streptavidin Beads Life Technologies Cat# 11206D L-cysteine Hydrochloride, Monohydrate Amresco Cat# 0206-500G Puromycin InvivoGen Cat# ant-pr-1 Poly-D-lysine Hydrobromide Sigma Cat# P6407 Critical commercial assays NEBNext Poly(A) mRNA Magnetic Isolation Module New England Biolabs Cat# E7490 NEBNext Magnesium RNA Fragmentation Module New England Biolabs Cat# E6150S DynabeadsTM Antibody Coupling Kit Thermo Scientific Cat# 14311D Black-Gold II Myelin Staining Kit Millipore Cat# AG105 TransScript Uni All-in-One First-Strand Cdna Synthesis SuperMix for qPCR (One-Step gDNA Removal) TransGen Biotech Cat# AU341 BCA Protein Assay Kit Beyotime Biotechnology Cat# P0009 Western LightningTM Plus Chemiluminescence Reagent PerkinElmer Cat# NEL104001EA Deposited data Raw and analyzed data (MeRIP-seq) This paper GEO: GSE243310 Raw and analyzed data (RIP-seq) This paper GEO: GSE243309 Raw and analyzed data (RNA-seq) This paper GEO: GSE222394 (NSC) and GSE222395 (OPC) Experimental models: Cell lines Oli-neu Dr. Wei Mo Gift from Dr. Wei Mo O4 Dr. Wei Mo Gift from Dr. Wei Mo GalC Dr. Wei Mo Gift from Dr. Wei Mo Experimental models: Organisms/strains Mouse: Prrc2bf/f This paper Gift from Dr. Fengchao Wang Mouse: Olig2-Cre The Jackson Laboratory Gift from Dr. Bo Xiao, Stock: 011103 Mouse: Nestin-Cre The Jackson Laboratory Stock: 003771 Mouse: Prrc2b-HA This paper Center for Excellence in Molecular Cell Science of the Chinese Academy of Sciences Mouse: Prrc2af/f This paper Gift from Dr. Fengchao Wang Mouse: C57BL/6J This paper SPF(Beijing) Biotechnology Co., Ltd. Oligonucleotides RT-qPCR Primers Sangon Biotech Table S14 Recombinant DNA pCMV-N-mCherry Beyotime Biotechnology Cat# D2711 pCMV-N-mCherry-Sox2-CDS+30-UTR-wt This paper Nanjingjinsirui Science & Technology Biology Corp (Continued on next page) Cell Reports 43, 113930, March 26, 2024 17

Techniques: Methylation, Binding Assay, In Vitro, Western Blot, Liquid Chromatography with Mass Spectroscopy, Isolation, Two Tailed Test, Expressing, Sequencing

Figure 5. PRRC2B regulates OL develop- ment in an m6A modification-dependent manner (A) Distribution of m6A peaks across the length of the mRNA (50 UTR, CDS, and 30 UTR). (B) Enriched motif identified by HOMER with m6A peaks in OPCs isolated from C57BL/6J mice at P4 (p = 1e122). (C) GO terms in the biological process category enriched in transcripts with downregulated expression levels in OPCs isolated from Prrc2bf/f

Journal: Cell reports

Article Title: PRRC2B modulates oligodendrocyte progenitor cell development and myelination by stabilizing Sox2 mRNA.

doi: 10.1016/j.celrep.2024.113930

Figure Lengend Snippet: Figure 5. PRRC2B regulates OL develop- ment in an m6A modification-dependent manner (A) Distribution of m6A peaks across the length of the mRNA (50 UTR, CDS, and 30 UTR). (B) Enriched motif identified by HOMER with m6A peaks in OPCs isolated from C57BL/6J mice at P4 (p = 1e122). (C) GO terms in the biological process category enriched in transcripts with downregulated expression levels in OPCs isolated from Prrc2bf/f

Article Snippet: REAGENT or RESOURCE SOURCE IDENTIFIER 2X SanTaq PCR Master Mix Sangon Biotech Cat# B532061 Trypsin Inhibitor, Soybean Sangon Biotech Cat# A003587 Papain, Suspension Sangon Biotech Cat# A003124 Hoechst33342 Sangon Biotech Cat# E607328 2x RealStar Green Fast Mixture with ROX II Genstar Cat# A304-10 Recombinant RNasin Ribonuclease Inhibitor Promega Cat# N2518 Proteinase K, recombinant PCR Grade Roche Cat# 03115828001 HA-tag Magnetic Beads Thermo Scientific Cat# 88836 Streptavidin Beads Life Technologies Cat# 11206D L-cysteine Hydrochloride, Monohydrate Amresco Cat# 0206-500G Puromycin InvivoGen Cat# ant-pr-1 Poly-D-lysine Hydrobromide Sigma Cat# P6407 Critical commercial assays NEBNext Poly(A) mRNA Magnetic Isolation Module New England Biolabs Cat# E7490 NEBNext Magnesium RNA Fragmentation Module New England Biolabs Cat# E6150S DynabeadsTM Antibody Coupling Kit Thermo Scientific Cat# 14311D Black-Gold II Myelin Staining Kit Millipore Cat# AG105 TransScript Uni All-in-One First-Strand Cdna Synthesis SuperMix for qPCR (One-Step gDNA Removal) TransGen Biotech Cat# AU341 BCA Protein Assay Kit Beyotime Biotechnology Cat# P0009 Western LightningTM Plus Chemiluminescence Reagent PerkinElmer Cat# NEL104001EA Deposited data Raw and analyzed data (MeRIP-seq) This paper GEO: GSE243310 Raw and analyzed data (RIP-seq) This paper GEO: GSE243309 Raw and analyzed data (RNA-seq) This paper GEO: GSE222394 (NSC) and GSE222395 (OPC) Experimental models: Cell lines Oli-neu Dr. Wei Mo Gift from Dr. Wei Mo O4 Dr. Wei Mo Gift from Dr. Wei Mo GalC Dr. Wei Mo Gift from Dr. Wei Mo Experimental models: Organisms/strains Mouse: Prrc2bf/f This paper Gift from Dr. Fengchao Wang Mouse: Olig2-Cre The Jackson Laboratory Gift from Dr. Bo Xiao, Stock: 011103 Mouse: Nestin-Cre The Jackson Laboratory Stock: 003771 Mouse: Prrc2b-HA This paper Center for Excellence in Molecular Cell Science of the Chinese Academy of Sciences Mouse: Prrc2af/f This paper Gift from Dr. Fengchao Wang Mouse: C57BL/6J This paper SPF(Beijing) Biotechnology Co., Ltd. Oligonucleotides RT-qPCR Primers Sangon Biotech Table S14 Recombinant DNA pCMV-N-mCherry Beyotime Biotechnology Cat# D2711 pCMV-N-mCherry-Sox2-CDS+30-UTR-wt This paper Nanjingjinsirui Science & Technology Biology Corp (Continued on next page) Cell Reports 43, 113930, March 26, 2024 17

Techniques: Isolation, Expressing

Figure 6. Sox2 is the target gene of PRRC2B during OPC development (A) Primary OPCs isolated from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P4 were exposed to ActD, and RNA was extracted at the indicated time points. Quantitative real-time PCR was per- formed to assess the half-life of Sox2 mRNA. The data are shown as means ± SEMs, *p < 0.05, **p < 0.01, unpaired two-tailed Student’s t test (T1/2(f/f) = 44.99 min; T1/2(f/f; Olig2) = 20.02 min). (B) Integrative Genomics Viewer (IGV) tracks showing the read distributions of RNA-seq (top, n = 3), PRRC2B RIP-seq (center, n = 2), and MeRIP-seq (bottom, n = 3) profiling of Sox2 gene, with significant peaks highlighted in yel- low. Dark green indicates normalized RNA-seq profiles of OPCs isolated from Prrc2b cKO mice at P4, and gray shows that of OPCs of Prrc2bf/f

Journal: Cell reports

Article Title: PRRC2B modulates oligodendrocyte progenitor cell development and myelination by stabilizing Sox2 mRNA.

doi: 10.1016/j.celrep.2024.113930

Figure Lengend Snippet: Figure 6. Sox2 is the target gene of PRRC2B during OPC development (A) Primary OPCs isolated from Prrc2bf/f and Prrc2bf/f; Olig2Cre+/ mice at P4 were exposed to ActD, and RNA was extracted at the indicated time points. Quantitative real-time PCR was per- formed to assess the half-life of Sox2 mRNA. The data are shown as means ± SEMs, *p < 0.05, **p < 0.01, unpaired two-tailed Student’s t test (T1/2(f/f) = 44.99 min; T1/2(f/f; Olig2) = 20.02 min). (B) Integrative Genomics Viewer (IGV) tracks showing the read distributions of RNA-seq (top, n = 3), PRRC2B RIP-seq (center, n = 2), and MeRIP-seq (bottom, n = 3) profiling of Sox2 gene, with significant peaks highlighted in yel- low. Dark green indicates normalized RNA-seq profiles of OPCs isolated from Prrc2b cKO mice at P4, and gray shows that of OPCs of Prrc2bf/f

Article Snippet: REAGENT or RESOURCE SOURCE IDENTIFIER 2X SanTaq PCR Master Mix Sangon Biotech Cat# B532061 Trypsin Inhibitor, Soybean Sangon Biotech Cat# A003587 Papain, Suspension Sangon Biotech Cat# A003124 Hoechst33342 Sangon Biotech Cat# E607328 2x RealStar Green Fast Mixture with ROX II Genstar Cat# A304-10 Recombinant RNasin Ribonuclease Inhibitor Promega Cat# N2518 Proteinase K, recombinant PCR Grade Roche Cat# 03115828001 HA-tag Magnetic Beads Thermo Scientific Cat# 88836 Streptavidin Beads Life Technologies Cat# 11206D L-cysteine Hydrochloride, Monohydrate Amresco Cat# 0206-500G Puromycin InvivoGen Cat# ant-pr-1 Poly-D-lysine Hydrobromide Sigma Cat# P6407 Critical commercial assays NEBNext Poly(A) mRNA Magnetic Isolation Module New England Biolabs Cat# E7490 NEBNext Magnesium RNA Fragmentation Module New England Biolabs Cat# E6150S DynabeadsTM Antibody Coupling Kit Thermo Scientific Cat# 14311D Black-Gold II Myelin Staining Kit Millipore Cat# AG105 TransScript Uni All-in-One First-Strand Cdna Synthesis SuperMix for qPCR (One-Step gDNA Removal) TransGen Biotech Cat# AU341 BCA Protein Assay Kit Beyotime Biotechnology Cat# P0009 Western LightningTM Plus Chemiluminescence Reagent PerkinElmer Cat# NEL104001EA Deposited data Raw and analyzed data (MeRIP-seq) This paper GEO: GSE243310 Raw and analyzed data (RIP-seq) This paper GEO: GSE243309 Raw and analyzed data (RNA-seq) This paper GEO: GSE222394 (NSC) and GSE222395 (OPC) Experimental models: Cell lines Oli-neu Dr. Wei Mo Gift from Dr. Wei Mo O4 Dr. Wei Mo Gift from Dr. Wei Mo GalC Dr. Wei Mo Gift from Dr. Wei Mo Experimental models: Organisms/strains Mouse: Prrc2bf/f This paper Gift from Dr. Fengchao Wang Mouse: Olig2-Cre The Jackson Laboratory Gift from Dr. Bo Xiao, Stock: 011103 Mouse: Nestin-Cre The Jackson Laboratory Stock: 003771 Mouse: Prrc2b-HA This paper Center for Excellence in Molecular Cell Science of the Chinese Academy of Sciences Mouse: Prrc2af/f This paper Gift from Dr. Fengchao Wang Mouse: C57BL/6J This paper SPF(Beijing) Biotechnology Co., Ltd. Oligonucleotides RT-qPCR Primers Sangon Biotech Table S14 Recombinant DNA pCMV-N-mCherry Beyotime Biotechnology Cat# D2711 pCMV-N-mCherry-Sox2-CDS+30-UTR-wt This paper Nanjingjinsirui Science & Technology Biology Corp (Continued on next page) Cell Reports 43, 113930, March 26, 2024 17

Techniques: Isolation, Real-time Polymerase Chain Reaction, Two Tailed Test, RNA Sequencing

Journal: Cell Reports

Article Title: Axonal Odorant Receptors Mediate Axon Targeting

doi: 10.1016/j.celrep.2019.11.099

Figure Lengend Snippet:

Article Snippet: Protein concentration was determined using BCA protein concentration assay kit (Thermo Scientific), following the manufacturers’ instructions.

Techniques: Marker, Recombinant, Protein Concentration, Reverse Transcription, Software, Fast Protein Liquid Chromatography, Mass Spectrometry